import 'dart:convert';
import 'dart:core';

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:siopas/models/asset_status_model.dart';
import 'package:siopas/models/condition_peti_model.dart';
import 'package:siopas/models/customer_model.dart';
import 'package:siopas/models/transfer_peti_model.dart';
import 'package:siopas/models/type_peti_model.dart';
import 'package:siopas/pages/peminjaman_barang/conn/syncronize.dart';
import 'package:siopas/pages/pengembalian_barang/conn/syncronize.dart';
import 'package:siopas/pages/transfer_peti/controller/transfer_peti_controller.dart';
import 'package:siopas/services/controllerApi.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:qr_code_scanner/qr_code_scanner.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:siopas/models/m_asset_status_model.dart';
import 'package:siopas/models/warehouse_mode.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';
import 'package:intl/date_symbol_data_local.dart'; // Import package intl
import 'package:uuid/uuid.dart';

import '../../models/user_model.dart';
import '../../providers/auth_provider.dart';
import 'package:collection/collection.dart';

// import 'conn/syncronizeAPI.dart';
// import 'controller/peminjaman_controller.dart';

class EditTransferPetiPage extends StatefulWidget {
  const EditTransferPetiPage({Key? key}) : super(key: key);

  @override
  State<EditTransferPetiPage> createState() => _EditTransferPetiPageState();
}

class _EditTransferPetiPageState extends State<EditTransferPetiPage> {
  List<TransferPetiModel>? _data;

  String? token;
  List<TypePetiModel>? typePetiSqfliteApi;
  // List<CustomerModel>? customerSqfliteApi;
  // List<WarehouseModel>? warehouseTujuanSqfliteApi;

  PetiAssetModel? petiSqfliteApi;
  ConditionPetiModel? conditionPetiSqfliteApi;
  WarehouseModel? warehouseSqfliteApi;
  WarehouseModel? warehouseTujuanSqfliteApi;
  CustomerModel? customerItemSqfliteApi;

  List<PetiAssetModel>? _valpeti; // Change this line
  List<WarehouseModel>? _valwarehouse;
  List<WarehouseModel>? _valWarehouse_tujuan_gudang;
  List<ConditionPetiModel>? _valconditionPeti;
  List<CustomerModel>? _valcustomer;

  CustomerModel? customerSqfliteApi;

  List<PetiAssetModel> _unrestrictedPetiList = [];
  List<PetiAssetModel> _filteredPetiList = [];
  bool isQRCodeScanned = false;

  bool loading = true;
  TextEditingController _dateController = TextEditingController();
  // TextEditingController _enterPicController = TextEditingController();
  // TextEditingController _kondisiPetiController = TextEditingController();
  // TextEditingController _penanggungJawabController = TextEditingController();
  final _formKey = GlobalKey<FormState>();

  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
  Barcode? result;
  QRViewController? controller;

  @override
  void initState() {
    super.initState();
    _getUserToken();
    warehouseListAPI();

    datatablesTransferPetiList();
    // typePetiListAPI();
    customerListAPI();
    petiListAPI();
    kondisiPetiListAPI();

    initializeDateFormatting('id_ID', null);
  }

  void _getUserToken() async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    if (mounted) {
      setState(() {
        token = prefs.getString('token');
        loading = false;
      });
    }
  }

  Future warehouseListAPI() async {
    if (mounted) {
      await ControllerApi().fetchWarehouseDataAPI().then((value) {
        setState(() {
          _valwarehouse = (value as List<dynamic>)
              .map((item) => WarehouseModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future customerListAPI() async {
    if (mounted) {
      await ControllerApi().fetchCustomerDataAPI().then((value) {
        setState(() {
          _valcustomer = (value as List<dynamic>)
              .map((item) => CustomerModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future datatablesTransferPetiList() async {
    await ControllerTransferPeti()
        .fetchTransferPetiLocalController()
        .then((value) {
      setState(() {
        _data = (value as List<dynamic>)
            .map((e) => TransferPetiModel.fromJson(e))
            .toList();
        loading = false;
      });
    });
  }

  Future petiListAPI() async {
    if (mounted) {
      await ControllerApi().fetchPetiDataAPI().then((value) {
        setState(() {
          _valpeti = (value as List<dynamic>)
              .map((item) => PetiAssetModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future kondisiPetiListAPI() async {
    if (mounted) {
      await ControllerApi().fetchKondisiPetiDataAPI().then((value) {
        setState(() {
          _valconditionPeti = (value as List<dynamic>)
              .map((item) => ConditionPetiModel.fromJson(item))
              .toList();
          loading = false;
        });
      });
    }
  }

  Future<void> isInteret() async {
    await SyncronizationPengembalianData.isInternet().then((connection) {
      if (connection) {
        print("Internet connection available");
      } else {
        ScaffoldMessenger.of(context)
            .showSnackBar(SnackBar(content: Text("No Internet")));
      }
    });
  }

  Future<void> _onQRViewCreated(QRViewController controller) async {
    this.controller = controller;
    bool scanned = false;

    // code to auto focus kamera belakang
    controller.flipCamera();
    await Future.delayed(const Duration(milliseconds: 400));
    controller.flipCamera();

    controller.scannedDataStream.listen(
      (scanData) {
        if (!scanned) {
          try {
            setState(() {
              result = scanData;
              List<String> lines = result!.code!.split('\n');
              String idPeti = '';
              String idWarehouse = '';

              for (String line in lines) {
                if (line.contains(';')) {
                  List<String> values = line.split(';');
                  if (values.length >= 3) {
                    idPeti = values[1];
                    idWarehouse = values[2];
                    break;
                  }
                }
              }

              int? petiId = int.tryParse(idPeti);
              int? warehouseId = int.tryParse(idWarehouse);
              // AuthProvider authProvider = Provider.of<AuthProvider>(context, listen: false);
              // UserModel user = authProvider.user;

              // Dalam fungsi yang menangani pemindaian QR code
              // Dalam fungsi yang menangani pemindaian QR code
              if (petiId != null && warehouseId != null) {
                // Check apakah peti dengan warehouse_id yang sesuai ada dalam daftar yang diizinkan
                PetiAssetModel? allowedPeti = _valpeti?.firstWhereOrNull(
                  (peti) =>
                      peti.id == petiId &&
                      peti.deleted_at != true &&
                      peti.status == 'AKTIF',
                );

                if (allowedPeti != null) {
                  setState(() {
                    isQRCodeScanned = true;
                    // Mengisi _filteredPetiList untuk dropdown hasil QR Code
                    _filteredPetiList = [
                      _valpeti!.firstWhere((peti) => peti.id == allowedPeti.id)
                    ];

                    petiSqfliteApi = allowedPeti;

                    warehouseSqfliteApi = _valwarehouse?.firstWhereOrNull(
                      (warehouse) => warehouse.id == allowedPeti.warehouse_id,
                    );

                    customerItemSqfliteApi = _valcustomer?.firstWhereOrNull(
                      (customer) => customer.id == allowedPeti.customer_id,
                    );
                  });
                } else {
                  // Tampilkan pesan error jika data tidak sesuai dengan hak akses
                  ScaffoldMessenger.of(context).showSnackBar(
                    SnackBar(
                      content: Text(
                        'Data Peti tidak ditemukan atau tidak sesuai dengan hak akses.',
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: 12,
                        ),
                      ),
                      backgroundColor: Colors.red[700],
                      action: SnackBarAction(
                        label: 'Tutup',
                        onPressed: () {
                          ScaffoldMessenger.of(context).hideCurrentSnackBar();
                        },
                      ),
                    ),
                  );
                  setState(() {
                    isQRCodeScanned = false;
                    petiSqfliteApi = null;
                    warehouseSqfliteApi = null;
                  });
                }
              } else {
                // Tampilkan pesan error jika nilai yang dipindai tidak sesuai
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(
                    content: Row(
                      children: [
                        Icon(
                          Icons.warning,
                          color: Colors.black,
                        ),
                        SizedBox(width: 8),
                        Text(
                          'Nilai QR Code tidak sesuai dengan yang diharapkan.',
                          style: TextStyle(
                            color: Colors.black,
                            fontSize: 12,
                          ),
                        ),
                      ],
                    ),
                    backgroundColor: Colors.yellow[700],
                  ),
                );
                setState(() {
                  isQRCodeScanned = false;
                  petiSqfliteApi = null;
                  warehouseSqfliteApi = null;
                });
              }

              scanned = true;
            });

            controller.stopCamera();

            Future.delayed(Duration(milliseconds: 500), () {
              if (mounted) {
                Navigator.of(context).pop();
              }
            });
          } catch (e) {
            controller.stopCamera();

            // Reset nilai dropdown Peti dan Warehouse
            setState(() {
              petiSqfliteApi = null;
              warehouseSqfliteApi = null;
            });
            print('Error scanning QR Code: $e');

            ScaffoldMessenger.of(context).showSnackBar(
              SnackBar(
                content: Row(
                  children: [
                    Icon(
                      Icons.error,
                      color: Colors.red[400],
                    ),
                    SizedBox(width: 8),
                    Flexible(
                      child: Text(
                        e.toString(),
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: 12,
                        ),
                      ),
                    ),
                  ],
                ),
                backgroundColor: Colors.red[700],
              ),
            );
          }
        }
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    AuthProvider authProvider =
        Provider.of<AuthProvider>(context, listen: false);
    UserModel user = authProvider.user;

    var uuid = Uuid();

    DateTime? parseDateTime(String? dateTimeString) {
      if (dateTimeString == null || dateTimeString.isEmpty) {
        return null;
      }

      try {
        return DateTime.parse(dateTimeString);
      } catch (e) {
        print('Error parsing DateTime: $e');
        return null;
      }
    }

    Future<void> saveAssetData() async {
      DateTime now = DateTime.now().toLocal();
      String formattedDate = DateFormat('yyyy-MM-dd HH:mm:ss.SSS').format(now);

      if (_dateController.text.isNotEmpty) {
        TransferPetiModel transferPetiAddModel = TransferPetiModel(
          id: null,
          mobile_id: uuid.v4(),
          peti_id: petiSqfliteApi!.id,
          name_customer: customerItemSqfliteApi!.id,
          source_warehouse: warehouseSqfliteApi!.id,
          destination_warehouse: warehouseTujuanSqfliteApi!.id,
          date: parseDateTime(_dateController.text),
          created_by: user.fullname,
          created_at: parseDateTime(formattedDate),
        );

        // Call addData function
        int result =
            await ControllerTransferPeti().addData(transferPetiAddModel);
        if (result > 0) {
          print("Success Tambah data");
          // print(result);
          Navigator.pushNamed(context, '/transfer-peti');
          EasyLoading.showSuccess("Data Berhasil Disimpan Transfer Peti");
        } else {
          print("Failed");
        }
      }
    }

    var scanArea = (MediaQuery.of(context).size.width < 400 ||
            MediaQuery.of(context).size.height < 400)
        ? 250.0
        : 300.0;

    return Scaffold(
      appBar: AppBar(
        automaticallyImplyLeading: false,
        backgroundColor: Colors.indigo[700],
        elevation: 0,
        title: Text('Buat Transfer Peti',
            style: TextStyle(
              fontSize: 16,
            )),
      ),
      body: loading
          ? Center(child: CircularProgressIndicator())
          : SingleChildScrollView(
              child: Padding(
                padding: const EdgeInsets.all(8.0),
                child: Form(
                  key: _formKey,
                  child: Column(
                    children: [
                      Row(
                        children: [
                          Expanded(
                            child: Card(
                              elevation: 2,
                              child: Container(
                                margin: EdgeInsets.all(8),
                                child: DropdownButtonFormField<PetiAssetModel>(
                                  validator: (value) {
                                    if (value == null) {
                                      return 'Harus diisi';
                                    }
                                    return null;
                                  },
                                  decoration: InputDecoration(
                                    labelText: 'Peti',
                                    border: OutlineInputBorder(),
                                  ),
                                  hint: Text("Pilih Peti"),
                                  value: petiSqfliteApi,
                                  items: (isQRCodeScanned
                                          ? _filteredPetiList
                                          : (_valpeti ?? []).where((peti) =>
                                              peti.deleted_at != true &&
                                              (peti.warehouse_id ==
                                                  user.warehouse_id) &&
                                              (peti.status == 'AKTIF')))
                                      .map((PetiAssetModel peti) {
                                    return DropdownMenuItem<PetiAssetModel>(
                                      child: Text(
                                        '${peti.fix_lot}',
                                        style: TextStyle(
                                          fontSize: 12,
                                        ),
                                      ),
                                      value: peti,
                                    );
                                  }).toList(),
                                  onChanged: (PetiAssetModel? value) {
                                    setState(() {
                                      petiSqfliteApi = value;
                                      if (value != null) {
                                        warehouseSqfliteApi =
                                            _valwarehouse?.firstWhere(
                                          (warehouse) =>
                                              warehouse.id ==
                                              value.warehouse_id,
                                        );
                                        customerItemSqfliteApi =
                                            _valcustomer?.firstWhereOrNull(
                                          (customer) =>
                                              customer.id == value.customer_id,
                                        );

                                        // Perbarui _unrestrictedPetiList sesuai pemilihan manual
                                        _unrestrictedPetiList = [
                                          _valpeti!.firstWhere(
                                              (peti) => peti.id == value.id)
                                        ];
                                      }
                                    });
                                  },
                                ),
                              ),
                            ),
                          ),
                          SizedBox(width: 8), // Spacer antara dua card
                          Card(
                            elevation: 2,
                            child: Container(
                              margin: EdgeInsets.all(8),
                              height: MediaQuery.of(context).size.height / 10,
                              decoration: BoxDecoration(
                                color: Colors.indigoAccent,
                                borderRadius: BorderRadius.circular(5),
                              ),
                              child: IconButton(
                                onPressed: () {
                                  showModalBottomSheet(
                                    context: context,
                                    isScrollControlled:
                                        true, // Set modal menjadi fullscreen
                                    builder: (BuildContext context) {
                                      return Stack(
                                        alignment: Alignment.center,
                                        children: [
                                          Container(
                                            height: double.infinity,
                                            width: double.infinity,
                                            child: QRView(
                                              key: qrKey,
                                              onQRViewCreated: _onQRViewCreated,
                                              overlay: QrScannerOverlayShape(
                                                borderColor: Colors.red,
                                                borderRadius: 10,
                                                borderLength: 30,
                                                borderWidth: 10,
                                                cutOutSize: scanArea,
                                              ),
                                            ),
                                          ),
                                          Positioned(
                                            bottom: 30,
                                            height: 60,
                                            child: Container(
                                              height:
                                                  60, // Lebar dan tinggi sesuai kebutuhan
                                              width: 60,
                                              decoration: BoxDecoration(
                                                shape: BoxShape.circle,
                                                color: Colors
                                                    .red, // Warna merah untuk close
                                              ),

                                              child: IconButton(
                                                onPressed: () {
                                                  Navigator.of(context).pop();
                                                },
                                                icon: Icon(
                                                  Icons.close,
                                                  size: 40,
                                                ),
                                                color: Colors.white,
                                              ),
                                            ),
                                          ),
                                        ],
                                      );
                                    },
                                  );
                                },
                                icon: Icon(
                                  Icons.qr_code,
                                  size: 30,
                                ),
                                color: Colors.white, // Warna ikon
                              ),
                            ),
                          ),
                        ],
                      ),
                      SizedBox(height: 16),
                      Card(
                        elevation: 2,
                        child: Padding(
                          padding: const EdgeInsets.all(8),
                          child: FormBuilderDateTimePicker(
                            validator: (value) {
                              if (_dateController.text.isEmpty) {
                                ScaffoldMessenger.of(context).showSnackBar(
                                  SnackBar(
                                    backgroundColor: Colors.redAccent[700],
                                    content: Row(
                                      children: [
                                        Icon(
                                          Icons.error_outline,
                                          color: Colors.white,
                                        ),
                                        SizedBox(width: 5),
                                        Text(
                                            'Tanggal Transfer Peti harus diisi'),
                                      ],
                                    ),
                                    duration: Duration(seconds: 2),
                                  ),
                                );
                                return null; // Return null jika ada kesalahan
                              }
                              return null; // Return null jika tidak ada kesalahan
                            },
                            controller: _dateController,
                            name: 'tanggal',
                            inputType: InputType.date,
                            // format: DateFormat('yyyy-MM-dd HH:mm:ss.SSS'),
                            format: DateFormat('yyyy-MM-dd', 'id_ID'),
                            // format: DateFormat('yyyy-MM-dd'),

                            decoration: InputDecoration(
                              labelText: 'Tanggal Transfer Peti',
                              border: OutlineInputBorder(),
                              suffixIcon: Icon(Icons.calendar_today),
                            ),
                          ),
                        ),
                      ),
                      SizedBox(height: 13),
                      Card(
                        child: Padding(
                          padding: const EdgeInsets.all(8.0),
                          child: DropdownButtonFormField<CustomerModel>(
                            validator: (value) {
                              if (value == null) {
                                return 'Harus diisi';
                              }
                              return null;
                            },
                            decoration: InputDecoration(
                              labelText: 'Pilih Customer',
                              border: OutlineInputBorder(),
                            ),
                            hint: Text("Pilih Customer"),
                            value: customerItemSqfliteApi,
                            items: (_valcustomer ?? [])
                                    .where((customer) =>
                                        customer.deleted_at != true)
                                    .map((CustomerModel customer) {
                                  return DropdownMenuItem<CustomerModel>(
                                    child: Text('${customer.name}'),
                                    value: customer,
                                  );
                                }).toList() ??
                                [],
                            onChanged: (CustomerModel? value) {
                              setState(() {
                                customerItemSqfliteApi = value;
                              });
                            },
                          ),
                        ),
                      ),
                      SizedBox(height: 13),
                      Card(
                        child: Padding(
                          padding: const EdgeInsets.all(8.0),
                          child: DropdownButtonFormField<WarehouseModel>(
                            validator: (value) {
                              if (value == null) {
                                return 'Harus diisi';
                              }
                              return null;
                            },
                            decoration: InputDecoration(
                              labelText: 'Pilih Asal Gudang',
                              border: OutlineInputBorder(),
                            ),
                            hint: Text("Pilih Asal Gudang"),
                            value: warehouseSqfliteApi,
                            items: (_valwarehouse ?? [])
                                    .where((warehouse) =>
                                        warehouse.deleted_at != true)
                                    .map((WarehouseModel warehouse) {
                                  return DropdownMenuItem<WarehouseModel>(
                                    child: Text('${warehouse.name}'),
                                    value: warehouse,
                                  );
                                }).toList() ??
                                [],
                            onChanged: (WarehouseModel? value) {
                              setState(() {
                                warehouseSqfliteApi = value;
                              });
                            },
                          ),
                        ),
                      ),

                      SizedBox(height: 13),
                      Card(
                        child: Padding(
                          padding: const EdgeInsets.all(8.0),
                          child: DropdownButtonFormField<WarehouseModel>(
                            validator: (value) {
                              if (value == null) {
                                return 'Harus diisi';
                              }
                              return null;
                            },
                            decoration: InputDecoration(
                              labelText: 'Pilih Tujuan Gudang',
                              border: OutlineInputBorder(),
                            ),
                            hint: Text("Pilih Tujuan Gudang"),
                            value: warehouseTujuanSqfliteApi,
                            items: (_valwarehouse ?? [])
                                    .where((warehouseTujuan) =>
                                        warehouseTujuan.deleted_at != true)
                                    .map((WarehouseModel warehouseTujuan) {
                                  return DropdownMenuItem<WarehouseModel>(
                                    child: Text('${warehouseTujuan.name}'),
                                    value: warehouseTujuan,
                                  );
                                }).toList() ??
                                [],
                            onChanged: (WarehouseModel? value) {
                              setState(() {
                                warehouseTujuanSqfliteApi = value;
                              });
                            },
                          ),
                        ),
                      ),
                      // SizedBox(height: 16),
                      // Card(
                      //   elevation: 2,
                      //   child: Padding(
                      //     padding: const EdgeInsets.all(8),
                      //     child: DropdownButtonFormField<WarehouseModel>(
                      //       validator: (value) {
                      //         if (value == null) {
                      //           return 'Harus diisi';
                      //         }
                      //         return null;
                      //       },
                      //       decoration: InputDecoration(
                      //         labelText: 'Pilih Tujuan Gudang',
                      //         border: OutlineInputBorder(),
                      //       ),
                      //       hint: Text("Pilih Tujuan Gudang"),
                      //       value: warehouseTujuanSqfliteApi,
                      //       items: (_valWarehouse_tujuan_gudang ?? [])
                      //           .where(
                      //               (warehouse) => warehouse.deleted_at != true)
                      //           .map((WarehouseModel warehouse)
                      //               // _valWarehouse_tujuan_gudang?.map((warehouse)
                      //               {
                      //         return DropdownMenuItem<WarehouseModel>(
                      //           child: Text('${warehouse.name}'),
                      //           value: warehouse,
                      //         );
                      //       }).toList(),
                      //       onChanged: (WarehouseModel? value) {
                      //         setState(() {
                      //           warehouseTujuanSqfliteApi = value;
                      //         });
                      //       },
                      //     ),
                      //   ),
                      // ),
                    ],
                  ),
                ),
              ),
            ),
      bottomNavigationBar: BottomAppBar(
        height: MediaQuery.of(context).size.height / 8,
        color: Color.fromARGB(255, 5, 28, 158), // Warna latar belakang
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Container(
              width: MediaQuery.of(context).size.width / 3,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Container(
                    height: 50, // Lebar dan tinggi sesuai kebutuhan
                    width: 50,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: Colors.red, // Warna merah untuk close
                    ),
                    child: IconButton(
                      onPressed: () {
                        // Navigator.pop(context);
                        Navigator.pushNamed(context, '/transfer-peti');
                      },
                      icon: Icon(Icons.close, color: Colors.white),
                    ),
                  ),
                ],
              ),
            ),
            Container(
              width: MediaQuery.of(context).size.width / 3,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Container(
                    height: 50, // Lebar dan tinggi sesuai kebutuhan
                    width: 50,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: Colors.green, // Warna hijau untuk save
                    ),
                    child: IconButton(
                      onPressed: () async {
                        if (_formKey.currentState!.validate()) {
                          try {
                            if (_dateController.text.isNotEmpty &&
                                petiSqfliteApi != null &&
                                warehouseSqfliteApi != null) {
                              await saveAssetData();
                            }
                          } catch (e) {
                            print('Error storing data: $e');
                          }
                        }
                      },
                      icon: Icon(Icons.save, color: Colors.white),
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}